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Finding the Fourth Proportional to 171,648.63, 257,544 and 92,669.97

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Solution

The fourth proportional to 171,648.63, 257,544 and 92,669.97 is: 139,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648.63 : 257,544 = 92,669.97 : x
  2. Step 2: Convert to fraction form
    171,648.63/257,544 = 92,669.97/x
  3. Step 3: Cross multiply
    171,648.63x = 257,544 × 92,669.97
  4. Step 4: Simplify right side
    171,648.63x = 23,866,594,753.68
  5. Step 5: Solve for x
    x = 23,866,594,753.68/171,648.63
  6. Step 6: Final answer
    x = 139,043.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.